Reflective energy management system
First Claim
1. An energy management system for a building, the system comprising:
- a) a non-transparent roof exposed to at least partial sunlight;
b) an interior space in the building positioned below the roof;
c) an insulator barrier positioned between the interior space and the roof;
the insulator barrier comprising a radiation reflective material, the insulator barrier being adapted to selectively reflect radiation back towards its originating source and selectively permit convective radiation to pass between the interior space and the roof, a first portion of the roof oriented to receive seasonal sunlight substantially comprising radiation reflective material and a second portion of the roof facing away from seasonal sunlight and remote from the first portion substantially comprising heat radiation absorptive material.
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Accused Products
Abstract
A four component roofing system uses three reflective subsystems and one radiant subsystem to provide passive temperature control of a building comprising: (1) Shingles that reflect high angle summer sun light back to the sky, but absorb low angle winter sunlight; (2) A temperature sensitive attic insulator placed under a sunlit roof that reflects radiation and blocks convection from the roof to the attic at hot temperatures, permits radiation and convection at warm temperatures, and blocks radiation and convection from the attic at cold temperatures; (3) A temperature sensitive attic insulator placed under a shaded roof that permits radiation and convection at warm or hot temperatures, and blocks radiation and convection from the attic at cold temperatures; (4) Non-reflective shingles on a shaded roof that emit radiation continuously, but that are heated by air and radiation from the attic only when the second temperature sensitive attic insulator permits convection, so that radiant heat loss is reduced at cold temperatures.
119 Citations
16 Claims
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1. An energy management system for a building, the system comprising:
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a) a non-transparent roof exposed to at least partial sunlight; b) an interior space in the building positioned below the roof; c) an insulator barrier positioned between the interior space and the roof;
the insulator barrier comprising a radiation reflective material, the insulator barrier being adapted to selectively reflect radiation back towards its originating source and selectively permit convective radiation to pass between the interior space and the roof, a first portion of the roof oriented to receive seasonal sunlight substantially comprising radiation reflective material and a second portion of the roof facing away from seasonal sunlight and remote from the first portion substantially comprising heat radiation absorptive material. - View Dependent Claims (2, 3, 4, 5)
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6. An energy management system for a building, the system comprising:
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a) a non-transparent roof exposed to at least partial sunlight; b) an interior space in the building positioned below the roof; c) an insulator barrier positioned between the interior space and the roof;
the insulator barrier comprising a radiation reflective material, the insulator barrier being adapted to selectively reflect radiation back towards its originating source and selectively permit convective radiation to pass between the interior space and the roof, the insulator barrier comprising a plurality of movable panel members adapted to selectively orient the radiation reflective material to affect a degree of radiation reflected, and selectively affect a degree of convection permitted to occur between the interior space and the roof, the panel members comprising a reflective surface on one side, a first series of panel members being positioned under a portion of the roof oriented to receive seasonal sunlight, the first series of panel members being adapted to orient the reflective surface towards the roof in a closed position to reflect incident radiation from the roof away from the interior space and further being adapted to pivot to an open position to move the reflective surface away from the roof to permit convection of hot air between the interior space and the roof. - View Dependent Claims (7, 8)
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9. An energy management system for a building, the system comprising:
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a) a non-transparent roof exposed to at least partial sunlight; b) an interior space in the building positioned below the roof; c) an insulator barrier positioned between the interior space and the roof;
the insulator barrier comprising a radiation reflective material, the insulator barrier being adapted to selectively reflect radiation back towards its originating source and selectively permit convective radiation to pass between the interior space and the roof, the insulator barrier comprising at least one movable panel member adapted to selectively orient the radiation reflective material to affect a degree of radiation reflected, and selectively affect a degree of convection permitted to occur between the interior space and the roof, the movement of the panel member being controlled by at least one temperature sensor. - View Dependent Claims (10, 11, 12)
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13. A roof shingle comprising:
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a) a reflective material, b) a radiation absorptive material, and c) a transparent protective coating, the reflective material being disposed on the shingle to reflect incident sunlight at an angle, the radiation absorptive material being disposed on the shingle to avoid direct exposure of sunlight when the sunlight strikes the shingle at a high angle, and to receive direct sunlight and sunlight reflected from the reflective material when the sunlight strikes the shingle at a low angle, the protective coating covering the surface of the shingle exposed to sunlight. - View Dependent Claims (14, 15, 16)
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Specification